docstr: Test that ``wires_to_json`` returns the expected output for json-serializable
  wire labels, as well as numpy integers, to to a json list.
docstr_tok: ["Test","that","``","wires_to_json","``","returns","the","expected","output","for","json-serializable","wire","labels",",","as","well","as","numpy","integers",",","to","to","a","json","list","."]
code: def test_wires_output_is_expected(self, in_, out):
      """Test that ``wires_to_json`` returns the expected output for json-serializable
      wire labels, as well as numpy integers, to to a json list."""
  
      in_ = Wires(in_)
      assert wires_to_json(Wires(in_)) == out
  
file_path: pennylane/tests/data/attributes/operator/test__wires.py
imports: import json
  import numpy
  import pytest
  import pennylane
  from pennylane.data.attributes.operator._wires import UnserializableWireError, wires_to_json
  from pennylane.wires import Wires
label_desc: Use image node_id 1 for calling the TestWiresToJson obj's underlying member method code with example usage: obj.test_wires_output_is_expected(in_, out) without return types